16409

Names of 16409

• Cardinal: 16409 can be written as Sixteen thousand, four hundred nine.

Scientific notation

• Scientific notation: 1.6409 × 10⁴

Factors of 16409

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 330

Divisors of 16409

• Number of divisors d(n): 4
• Complete list of divisors:
  1 61 269 16409
• Sum of all divisors σ(n): 16740
• Sum of proper divisors (its aliquot sum) s(n): 331
• 16409 is a deficient number, because the sum of its proper divisors (331) is less than itself. Its deficiency is 16078

Bases of 16409

• Binary: 100000000011001₂
• Hexadecimal: 0x4019
• Base-36: CNT

Squares and roots of 16409

• 16409 squared (16409²) is 269255281
• 16409 cubed (16409³) is 4418209905929
• The square root of 16409 is 128.0976190255
• The cube root of 16409 is 25.4113285693

Scales and comparisons

• 16,409 seconds is equal to 4 hours, 33 minutes, 29 seconds.
• To count from 1 to 16,409 would take you about four hours.

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 16409 cubic inches would be around 2.1 feet tall.

Recreational maths with 16409

• 16409 backwards is 90461
• The number of decimal digits it has is: 5
• The sum of 16409's digits is 20
• More coming soon!